RT9241 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9241 Datasheet PDF : 13 Pages
| |||
RT9241
Preliminary
Absolute Maximum Ratings
z Supply Voltage
z Input, Output or I/O Voltage
z Ambient Temperature Range
z Operating Junction Temperature Range
z Storage Temperature Range
z Power Dissipation, PD @ TA = 25°C
SOP-20
z Package Thermal Resistance
SOP-20, θJA
z Lead Temperature (Soldering, 10 sec.)
Electrical Characteristics
(VDD = 5V, GND = 0V, TA = 25°C, unless otherwise specified)
Parameter
Symbol Test Conditions
VDD Supply Current
Nominal Supply Current
Power-On Reset
IDD
PWM 1,2 Open
VDD Rising Threshold
VDD Falling Threshold
VDVD Rising Trip Threshold
Oscillator
Frequency
For each phase
Ramp Amplitude
Ramp Valley
Maximum On Time of Each Channel
Reference and DAC
DACOUT Voltage Accuracy
DAC (VID0-VID4) Input Low Voltage
DAC (VID0-VID4) Input High Voltage
DAC (VID0-VID4) Bias Current
PWM Controller Error Amplifier
DC Gain
Bandwidth
Slew Rate
Current Sense GM Amplifier
CL = 10pF
ISP 1,2 Full Scale Source Current
ISP 1,2 Current for OCP
6V
GND-0.3V ~ VDD+0.3V
0°C ~ 70°C
0°C ~ 125°C
-65°C ~ 150°C
0.625W
60°C /W
260°C
Min Typ Max Units
--
6
--
mA
4.2 4.35 4.5
V
3.7 3.85 4
V
1.19 1.25 1.31
V
170 200 230 kHz
--
1
--
V
1.0 1.3
--
V
--
75
--
%
-1.0
-- +1.0 %
--
--
0.8
V
2.0
--
--
V
10
20
40
µA
--
85
--
dB
--
10
-- MHz
--
5
-- V/µS
--
50
--
µA
--
75
--
µA
To be continued
www.richtek-ic.com.tw
2
DS9241-00 November 2001
Share Link: 